Here are some links to Articles published in the german CQ_DL magazine:
School Project – Büchertal Schule meets DP0GVN!
CQDL12-2022 CR3W CQ WW RTTY 2022
notfall Plan 2012
CQDL-PJ2T – QRV von einem alten neuen DXCC 2011
CQDL-Contest als Extremsport 2007
CQDL-interview rent a station 2005